Mercurial > hg > nginx

annotate src/event/modules/ngx_aio_module.c @ 93:738fe44c70d5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-05-21-17:28:21 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 21 May 2003 13:28:21 +0000
parents 637625a2acdb
children 8220378432a8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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1
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36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
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2 #include <ngx_config.h>
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
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3 #include <ngx_core.h>
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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4 #include <ngx_event.h>
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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5 #include <ngx_aio.h>
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36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
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6
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
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7 #if (HAVE_KQUEUE)
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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8 #include <ngx_kqueue_module.h>
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
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9 #endif
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
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36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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12 static int ngx_aio_init(ngx_log_t *log);
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
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13 static void ngx_aio_done(ngx_log_t *log);
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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14 static int ngx_aio_add_event(ngx_event_t *ev, int event, u_int flags);
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
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15 static int ngx_aio_del_event(ngx_event_t *ev, int event, u_int flags);
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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16 static int ngx_aio_process_events(ngx_log_t *log);
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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19 ngx_os_io_t ngx_os_aio = {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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20 ngx_aio_read,
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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21 NULL,
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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22 ngx_aio_write,
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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23 ngx_aio_write_chain,
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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24 NGX_HAVE_ZEROCOPY
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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25 };
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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26
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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28 static ngx_str_t aio_name = ngx_string("aio");
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29
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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30 ngx_event_module_t ngx_aio_module_ctx = {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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31 NGX_EVENT_MODULE,
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32 &aio_name,
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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33 NULL, /* create configuration */
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Igor Sysoev <igor@sysoev.ru>
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34 NULL, /* init configuration */
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35
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36 {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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parents: 91
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37 ngx_aio_add_event, /* add an event */
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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parents: 91
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38 ngx_aio_del_event, /* delete an event */
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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39 NULL, /* enable an event */
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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40 NULL, /* disable an event */
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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41 NULL, /* add an connection */
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
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42 NULL, /* delete an connection */
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
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43 ngx_aio_process_events, /* process the events */
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
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44 ngx_aio_init, /* init the events */
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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parents: 91
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45 ngx_aio_done /* done the events */
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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46 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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47
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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48 };
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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49
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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50 ngx_module_t ngx_aio_module = {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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51 &ngx_aio_module_ctx, /* module context */
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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52 0, /* module index */
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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53 NULL, /* module directives */
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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54 NGX_EVENT_MODULE_TYPE, /* module type */
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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55 NULL /* init module */
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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56 };
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59
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36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
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60 #if (HAVE_KQUEUE)
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
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62 static int ngx_aio_init(ngx_log_t *log)
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63 {
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parents: 91
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64 if (ngx_kqueue_module_ctx.actions.init(log) == NGX_ERROR) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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65 return NGX_ERROR;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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66 }
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67
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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68 ngx_event_flags = NGX_HAVE_AIO_EVENT|NGX_USE_AIO_EVENT;
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69 ngx_event_actions = ngx_aio_module_ctx.actions;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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70 ngx_io = ngx_os_aio;
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73 return NGX_OK;
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74 }
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
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36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
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77 static void ngx_aio_done(ngx_log_t *log)
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78 {
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79 ngx_kqueue_module_ctx.actions.done(log);
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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80 }
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36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
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83 /* The event adding and deleteing are needed for the listening sockets */
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84
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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85 static int ngx_aio_add_event(ngx_event_t *ev, int event, u_int flags)
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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86 {
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87 return ngx_kqueue_module_ctx.actions.add(ev, event, flags);
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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88 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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89
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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90
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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91 static int ngx_aio_del_event(ngx_event_t *ev, int event, u_int flags)
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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92 {
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93 return ngx_kqueue_module_ctx.actions.del(ev, event, flags);
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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94 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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95
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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96
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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97 static int ngx_aio_process_events(ngx_log_t *log)
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98 {
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99 return ngx_kqueue_module_ctx.actions.process(log);
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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100 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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101
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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102 #endif
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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103
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36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
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104
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
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105 #if 0
93
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106
6
669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
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107 /* 1 */
669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
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108 int ngx_posix_aio_process_events(ngx_log_t *log)
669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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109 {
669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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110 listen via SIGIO;
669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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111 aio_* via SIGxxx;
669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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112
669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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113 sigsuspend()/sigwaitinfo()/sigtimedwait();
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114 }
669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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115
669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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116 /* 2 */
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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117 int ngx_posix_aio_process_events(ngx_log_t *log)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
118 {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
119 unmask signal
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120
5
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 0
diff changeset
121 listen via SIGIO;
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122
5
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 0
diff changeset
123 /* BUG: SIGIO can be delivered before aio_*() */
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 0
diff changeset
124
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 0
diff changeset
125 aio_suspend()/aiowait()/aio_waitcomplete() with timeout
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 mask signal
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 if (ngx_socket_errno == NGX_EINTR)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 look listen
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131 select()/accept() nb listen sockets
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132 else
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133 aio
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135
6
669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
parents: 5
diff changeset
136 /* 3 */
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137 int ngx_posix_aio_process_events(ngx_log_t *log)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138 {
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
139 #if 0
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140 unmask signal
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141
5
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 0
diff changeset
142 /* BUG: AIO signal can be delivered before select() */
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144 select(listen);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
145
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146 mask signal
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
147 #endif
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
148
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
149 pselect(listen, mask);
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 if (ngx_socket_errno == NGX_EINTR)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152 look ready array
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155 void aio_sig_handler(int signo, siginfo_t *siginfo, void *context)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 push siginfo->si_value.sival_ptr
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 }
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
159
63
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
160 #endif